Finding the Fourth Proportional to 298,880.66, 412,479.99 and 171,580.82
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Solution
The fourth proportional to 298,880.66, 412,479.99 and 171,580.82 is: 236,795.70
Step by Step Solution
- Step 1: Write the proportion equation
298,880.66 : 412,479.99 = 171,580.82 : x - Step 2: Convert to fraction form
298,880.66/412,479.99 = 171,580.82/x - Step 3: Cross multiply
298,880.66x = 412,479.99 × 171,580.82 - Step 4: Simplify right side
298,880.66x = 70,773,654,917.79 - Step 5: Solve for x
x = 70,773,654,917.79/298,880.66 - Step 6: Final answer
x = 236,795.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.